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Melservo interface

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02 Mar 2018 14:58 #106850 by DesignBC
Melservo interface was created by DesignBC
Has anyone else had any experience with servo amps requiring a clockwise/counterclockwise signal in addition to the +/- 10v signal to activate servos? Im wondering how I would accomplish that signal.
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05 Mar 2018 22:16 #106990 by andypugh
Replied by andypugh on topic Melservo interface
You can achieve it in HAL by using the "Abs" component.
linuxcnc.org/docs/2.7/html/man/man9/abs.9.html

That has output pins that can be connected to GPIO of is-positive and is-negative.

Is the drive really +/-10V or is it 0-10V?

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06 Mar 2018 15:48 #107039 by DesignBC
Replied by DesignBC on topic Melservo interface
I believe it is actually +/-. Which makes it more baffling that it would require a directional signal in tandem with the variable 10v signal. The picture I attached is taken directly from the manual for the drive. Thank you for the response, I will work on it.

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